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Smart Locks & Deadbolts

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Handpicked Reviews

Picked and ranked by our editors. Published in Sep 2026.

Smart Locks & Deadbolts
Smart Locks & Deadbolts

Smart locks and deadbolts compared on unlock reliability, app quality and the mechanical key backup you should never skip.

Buying Guides

Smart Locks & Deadbolts FAQ

Do smart locks work without Wi-Fi?

Yes for Bluetooth and keypad unlocking. Remote access and notifications need Wi-Fi or a hub.

What if the battery dies?

Every reputable lock keeps a mechanical key or a 9V jump terminal. Test the key before you rely on the lock.

Can I keep my existing deadbolt?

Some retrofit locks fit the inside of a standard deadbolt; full replacements need the door to match the bore and backset.

Are they secure?

A smart lock is only as good as the door and frame. Grade 1 hardware plus a reinforced strike plate matters more than the app.

What about renters?

Retrofit models are reversible and leave the original cylinder in place, which is what most leases require.

Do guests need the app?

No. Most locks issue temporary keypad codes or time-limited access without an account.